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Scientists reassessing a partial skull first unearthed in 1983 in southeastern New Mexico have concluded that the fossil represents a new species of Tyrannosaurus - the fearsome apex predator from ...
In 2024, Sebastian G. Dalman and colleagues described this specimen as the holotype of a new Tyrannosaurus species, T. mcraeensis. This species differs from T. rex in having smaller postorbital crests, a proportionately longer and shallower lower jaw with a less prominent chin suggestive of a weaker bite, and more laterally compressed teeth. [2]
Evgeny Maleev described new Mongolian species of Tyrannosaurus and Gorgosaurus in 1955, and one new genus: Tarbosaurus ("terrifying lizard"). Subsequent studies, however, showed that all of Maleev's tyrannosaur species were actually one species of Tarbosaurus at different stages of growth.
Stygivenator molnari. (Paul, 1988a emend Paul, 1990) Olshevsky, 1995. Tyrannosaurus (/ tɪˌrænəˈsɔːrəs, taɪ -/) [a] is a genus of large theropod dinosaur. The type species Tyrannosaurus rex (rex meaning 'king' in Latin), often shortened to T. rex or colloquially T-Rex, is one of the best represented theropods.
In a 2022 study, Gregory S. Paul and colleagues argued that Tyrannosaurus rex, as traditionally understood, actually represents three species: the type species Tyrannosaurus rex, and two new species: T. imperator (meaning "tyrant lizard emperor") and T. regina (meaning "tyrant lizard queen").
Push aside imagery of the towering Tyrannosaurus rex because the smallest-ever dinosaur eggs have been unearthed and represent an all new type of dinosaur species.. Six small non-avian dinosaur ...
Skeletal mount of the Tyrannosaurus holotype.. This timeline of tyrannosaur research is a chronological listing of events in the history of paleontology focused on the tyrannosaurs, a group of predatory theropod dinosaurs that began as small, long-armed bird-like creatures with elaborate cranial ornamentation but achieved apex predator status during the Late Cretaceous as their arms shrank and ...
In 1955, Evgeny Maleev, a Soviet paleontologist, made this specimen the holotype (PIN 551–1) of a new species, which he called Tyrannosaurus bataar. [1] The specific name is a misspelling of the Mongolian word баатар/baatar, meaning "hero". [2]